Send to X4 by Chapiware
Send reading content from any website or Twitter thread to your Xteink X4 as EPUB. Supports Stock & CrossPoint firmware.
Available on Firefox for Android™Available on Firefox for Android™
193 Users193 Users
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About this extension
Send to X4 is the essential tool for Xteink X4 owners. It lets you format and transfer long-form articles, newsletters, and even Twitter threads directly to your e-ink reader as clean, beautiful EPUB files.
🚀 What's New in v1.1.1
How it works
Key Features
Perfect for
Privacy
This extension:
- Does NOT collect any personal data
- Does NOT send data to external servers
- Processes everything locally in your browser
- Only communicates with your X4 device on local WiFi (192.168.x.x)
Requirements
🚀 What's New in v1.1.1
- CrossPoint Support: Now fully compatible with both Stock and CrossPoint custom firmware.
- Twitter/X Threads: Automatically stitches Twitter threads into a single readable chapter.
- Smart File Manager: Sort, view, and delete your files directly on the device.
How it works
- Open any article or Twitter thread
- Connect to your X4's WiFi hotspot
- Click the extension icon
- Hit "Send to X4" — done!
Key Features
- Universal Support: Works on blogs, news sites, Substack, and now Twitter/X.
- Firmware Agnostic: Works perfectly with Stock Xteink firmware and CrossPoint (custom IPs supported).
- Offline-First: No accounts, no servers, no cloud sync—your data never leaves your local network.
- Advanced Manager: Organize your X4 library by Date or Name directly from the popup.
- Download Option: Save the generated EPUBs to your computer if you prefer.
Perfect for
- E-ink enthusiasts who want distraction-free reading
- People who use custom firmware (CrossPoint) on their X4
- Anyone tired of complex "Read Later" services and accounts
Privacy
This extension:
- Does NOT collect any personal data
- Does NOT send data to external servers
- Processes everything locally in your browser
- Only communicates with your X4 device on local WiFi (192.168.x.x)
Requirements
- Xteink X4 e-ink reader
Rated 5 by 1 reviewer
Permissions and data
Required permissions:
- Download files and read and modify the browser’s download history
- Access browser tabs
- Access your data for all websites
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.1.1
- Size
- 114.85 KB
- Last updated
- 5 months ago (Jan 31, 2026)
- Related Categories
- License
- MIT License
- Version History
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